WAGO-I/O-SYSTEM 750
Connect Devices 69
750-450 4 AI RTD
Manual
Version 1.2.0
6.2.3
4 × 4 Wires
Figure 13: Connection Example 750-450, 4-Channel, 4 x 4 Wires
Table 58: Connection Terminals, Functions and Measuring Circuits, 4-Channel, 4 Wires
Termination Channe
l
Function Description
Measuring
circuit
1
1
+R1
Measuring current output (+)
1
2
+R1L
Measuring voltage input (
+
)
9
−R1
Measuring current return line (
−
)
10
−R1L
Measuring voltage input (
−
)
3
2
+R2
Measuring current output (+)
2
4
+R2L
Measuring voltage input (
+
)
11
−R2
Measuring current return line (
−
)
12
−R2L
Measuring voltage input (
−
)
5
3
+R3
Measuring current output (+)
3
6
+R3L
Measuring voltage input (
+
)
13
−R3
Measuring current return line (
−
)
14
−R3L
Measuring voltage input (
−
)
7
4
+R4
Measuring current output (+)
4
8
+R4L
Measuring voltage input (
+
)
15
−R4
Measuring current return line (
−
)
16
−R4L
Measuring voltage input (
−
)